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This is an R Markdown format used for publishing markdown documents to GitHub. When you click the Knit button all R code chunks are run and a markdown file (.md) suitable for publishing to GitHub is generated.
데이터 불러오기
S-Dot 1시간 측정 평균값이 저장된 csv파일 read
#분석하고자 하는 csv데이터를 sdot이라는 데이터 프레임에 넣기
sdot<-read.csv("data/sdot_20200507.csv", fileEncoding = 'euc-kr', head=TRUE, check.names=FALSE) library(rmarkdown)
paged_table(sdot)sdot에 저장된 값에 대한 데이터 요약
#명령어 summary(데이터프레임)
summary(sdot) ## 시리얼 date hour
## Min. : 1 V02Q1940043: 24 2020-05-01:20280 Min. : 0.00
## 1st Qu.: 5071 V02Q1940044: 24 1st Qu.: 5.75
## Median :10140 V02Q1940045: 24 Median :11.50
## Mean :10140 V02Q1940046: 24 Mean :11.50
## 3rd Qu.:15210 V02Q1940047: 24 3rd Qu.:17.25
## Max. :20280 V02Q1940049: 24 Max. :23.00
## (Other) :20136
## 초미세먼지 (㎍/㎥) 미세먼지 (㎍/㎥) 기온 (℃) 상대습도 (%)
## Min. : 0.00 Min. : 0.00 Min. :15.24 Min. :31.57
## 1st Qu.: 14.10 1st Qu.: 18.82 1st Qu.:19.46 1st Qu.:57.06
## Median : 23.69 Median : 31.90 Median :21.21 Median :68.27
## Mean : 23.56 Mean : 31.75 Mean :22.02 Mean :64.78
## 3rd Qu.: 31.00 3rd Qu.: 41.67 3rd Qu.:24.41 3rd Qu.:72.12
## Max. :175.17 Max. :268.33 Max. :34.23 Max. :85.62
##
## 풍향 (°) 풍속 (m/s) 돌풍 풍향 (°) 돌풍 풍속 (m/s)
## Min. : 0.000 Min. :0.00000 Min. : 0.000 Min. :0.00000
## 1st Qu.: 0.000 1st Qu.:0.00000 1st Qu.: 0.000 1st Qu.:0.00000
## Median : 0.000 Median :0.00000 Median : 0.000 Median :0.00000
## Mean : 2.363 Mean :0.01573 Mean : 2.328 Mean :0.03093
## 3rd Qu.: 0.000 3rd Qu.:0.00000 3rd Qu.: 0.000 3rd Qu.:0.00000
## Max. :299.593 Max. :4.55714 Max. :295.750 Max. :8.40714
##
## 조도 (lux) 자외선 (UVI) 소음 (dB) 진동(x) (g)
## Min. : 1.00 Min. : 1.000 Min. : 0.00 Min. :0.00000
## 1st Qu.: 5.12 1st Qu.: 2.000 1st Qu.:45.38 1st Qu.:0.01833
## Median : 1296.71 Median : 2.130 Median :48.07 Median :0.02276
## Mean : 6664.73 Mean : 9.105 Mean :48.17 Mean :0.02797
## 3rd Qu.: 9079.19 3rd Qu.: 10.823 3rd Qu.:50.90 3rd Qu.:0.03500
## Max. :50200.48 Max. :108.767 Max. :64.52 Max. :0.11077
##
## 진동(y) (g) 진동(z) (g) 진동(x) 최대 (g) 진동(y) 최대 (g)
## Min. :0.00000 Min. :0.000 Min. :0.00000 Min. :0.0000
## 1st Qu.:0.02815 1st Qu.:1.006 1st Qu.:0.07241 1st Qu.:0.1163
## Median :0.04826 Median :1.029 Median :0.08708 Median :0.1300
## Mean :0.05542 Mean :1.026 Mean :0.09167 Mean :0.1340
## 3rd Qu.:0.07880 3rd Qu.:1.050 3rd Qu.:0.10088 3rd Qu.:0.1454
## Max. :0.17696 Max. :1.116 Max. :2.41815 Max. :2.0540
##
## 진동(z) 최대 (g) 흑구 온도 (℃) 미세먼지 보정 (㎍/㎥)
## Min. : 0.000 Min. : 4.833 Min. :-88.12
## 1st Qu.: 1.095 1st Qu.: 5.000 1st Qu.: 36.09
## Median : 1.107 Median : 5.000 Median : 46.00
## Mean : 1.117 Mean : 7.590 Mean : 43.68
## 3rd Qu.: 1.124 3rd Qu.: 5.000 3rd Qu.: 53.31
## Max. :10.451 Max. :195.385 Max. :345.60
##
## 초미세먼지 보정 (㎍/㎥)
## Min. :-98.12
## 1st Qu.: 23.23
## Median : 27.76
## Mean : 26.87
## 3rd Qu.: 32.00
## Max. :179.97
## 위의 값을 확인 했을때 미세먼지보정,초미세먼지 보정 등 최소 측정 값인 0을 벗어나는 음수(마이너스)값 확인 후 제거
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